package string.ReverseStr;

/**
 * @ClassName ReverseString
 * @Description TODO
 * @Author lenovo
 * @Date 2023-02-21 20:30
 * @Version 1.0
 * @Comment Magic. Do not touch.
 * If this comment is removed. the program will blow up
 */
public class ReverseString {

    /**
     * 344. 反转字符串
     * 编写一个函数，其作用是将输入的字符串反转过来。输入字符串以字符数组 s 的形式给出。
     * <p>
     * 不要给另外的数组分配额外的空间，你必须原地修改输入数组、使用 O(1) 的额外空间解决这一问题。
     * <p>
     * <p>
     * <p>
     * 示例 1：
     * <p>
     * 输入：s = ["h","e","l","l","o"]
     * 输出：["o","l","l","e","h"]
     * 示例 2：
     * <p>
     * 输入：s = ["H","a","n","n","a","h"]
     * 输出：["h","a","n","n","a","H"]
     *
     * @param s
     */
    public void reverseString(char[] s) {


        for (int i = 0, j = s.length-1; i < (s.length) / 2; i++, j--) {
            char temp = s[i];
            s[i] = s[j];
            s[j] = temp;
        }

    }

    public static void main(String[] args) {
        ReverseString reverseString = new ReverseString();
        char[] chars = {'h', 'e', 'l', 'l', 'o'};
        reverseString.reverseString(chars);
        for (int i = 0; i < chars.length; i++) {
            System.out.println(chars[i]);
        }
    }
}